Year	% of GDP
1978	22.025316455696203
1979	32.18894250944188
1980	44.475675675675674
1981	42.46052631578948
1982	47.9475
1983	49.12380952380953
1984	30.4875
1985	33.33695652173913
1986	36.3468085106383
1987	35.931372549019606
1988	36.357894736842105
1989	37.20357142857143
1990	40.96181818181818
1991	56.666065573770496
1992	59.586769230769235
1993	57.95797101449275
1994	59.024
1995	59.311710526315785
1996	60.97529411764706
1997	61.94615384615385
1998	60.863365384615385
1999	61.40841121495326
2000	58.28732758620689
2001	59.47122950819672
2002	57.78689511516741
2003	57.619179391713416
2004	56.91554590667872
2005	59.14631903971277
2006	65.15444833050987
2007	62.42911021973308
2008	63.02091572455709
2009	61.72238687121884
2010	63.35012326661855
2011	61.403838303678725
2012	60.93358916005259
2013	60.66938449248971
2014	61.264522066648965
2015	60.51243545808437
2016	60.96691228219216
2017	62.78373983739838
2018	64.1219391634981
2019	69.0301262348258
2020	67.79908177316783
2021	65.1344377263043